106 	struct drm_master *master;  in drm_master_create()  local
108 	master = malloc(sizeof(*master), DRM_MEM_KMS, M_NOWAIT | M_ZERO);  in drm_master_create()
109 	if (!master)  in drm_master_create()
112 	refcount_init(&master->refcount, 1);  in drm_master_create()
113 	mtx_init(&master->lock.spinlock, "drm_master__lock__spinlock",  in drm_master_create()
115 	DRM_INIT_WAITQUEUE(&master->lock.lock_queue);  in drm_master_create()
116 	drm_ht_create(&master->magiclist, DRM_MAGIC_HASH_ORDER);  in drm_master_create()
117 	INIT_LIST_HEAD(&master->magicfree);  in drm_master_create()
118 	master->minor = minor;  in drm_master_create()
120 	list_add_tail(&master->head, &minor->master_list);  in drm_master_create()
122 	return master;  in drm_master_create()
125 struct drm_master *drm_master_get(struct drm_master *master)  in drm_master_get()  argument
127 	refcount_acquire(&master->refcount);  in drm_master_get()
128 	return master;  in drm_master_get()
132 static void drm_master_destroy(struct drm_master *master)  in drm_master_destroy()  argument
135 	struct drm_device *dev = master->minor->dev;  in drm_master_destroy()
138 	list_del(&master->head);  in drm_master_destroy()
141 		dev->driver->master_destroy(dev, master);  in drm_master_destroy()
144 		if (r_list->master == master) {  in drm_master_destroy()
150 	if (master->unique) {  in drm_master_destroy()
151 		free(master->unique, DRM_MEM_DRIVER);  in drm_master_destroy()
152 		master->unique = NULL;  in drm_master_destroy()
153 		master->unique_len = 0;  in drm_master_destroy()
156 	list_for_each_entry_safe(pt, next, &master->magicfree, head) {  in drm_master_destroy()
158 		drm_ht_remove_item(&master->magiclist, &pt->hash_item);  in drm_master_destroy()
162 	drm_ht_remove(&master->magiclist);  in drm_master_destroy()
164 	free(master, DRM_MEM_KMS);  in drm_master_destroy()
167 void drm_master_put(struct drm_master **master)  in drm_master_put()  argument
169 	if (refcount_release(&(*master)->refcount))  in drm_master_put()
170 		drm_master_destroy(*master);  in drm_master_put()
171 	*master = NULL;  in drm_master_put()
183 	if (file_priv->minor->master && file_priv->minor->master != file_priv->master)  in drm_setmaster_ioctl()
186 	if (!file_priv->master)  in drm_setmaster_ioctl()
189 	if (file_priv->minor->master)  in drm_setmaster_ioctl()
193 	file_priv->minor->master = drm_master_get(file_priv->master);  in drm_setmaster_ioctl()
199 			drm_master_put(&file_priv->minor->master);  in drm_setmaster_ioctl()
213 	if (!file_priv->minor->master)  in drm_dropmaster_ioctl()
219 	drm_master_put(&file_priv->minor->master);  in drm_dropmaster_ioctl()